perf ui/gtk: Introduce struct perf_gtk_context

The struct perf_gtk_context is for tracking current state of GTK window
and/or other things. This is a preparation of next changes.

Signed-off-by: Namhyung Kim <namhyung@gmail.com>
Acked-by: Pekka Enberg <penberg@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1338265382-6872-5-git-send-email-namhyung@gmail.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

1 files changed, 7 insertions, 1 deletions

diff --git a/tools/perf/ui/gtk/browser.c b/tools/perf/ui/gtk/browser.c
index 0656c381a89c..33ab1aee3472 100644
--- a/tools/perf/ui/gtk/browser.c
+++ b/tools/perf/ui/gtk/browser.c
@@ -11,8 +11,8 @@
 
 static void perf_gtk__signal(int sig)
 {
+        perf_gtk__exit(false);
         psignal(sig, "perf");
-        gtk_main_quit();
 }
 
 static void perf_gtk__resize_window(GtkWidget *window)
@@ -143,6 +143,10 @@ int perf_evlist__gtk_browse_hists(struct perf_evlist *evlist,
 
         g_signal_connect(window, "delete_event", gtk_main_quit, NULL);
 
+        pgctx = perf_gtk__activate_context(window);
+        if (!pgctx)
+                return -1;
+
         notebook = gtk_notebook_new();
 
         list_for_each_entry(pos, &evlist->entries, node) {
@@ -174,5 +178,7 @@ int perf_evlist__gtk_browse_hists(struct perf_evlist *evlist,
 
         gtk_main();
 
+        perf_gtk__deactivate_context(&pgctx);
+
         return 0;
 }